Gravitation – Online MCQs Test – Physics 9th

1.

2. Weight is measure in:

3. The first artificial satellite, Sputnik-1, was sent into space by:

4. Near Earth’s surface g = _____________

5. The motion of a falling ball towards Earth is due to the ____________

6.

7. Gravitational force is always ___________

8. According to Newton’s law of universal gravitation, force is inversely proportional to ____.

9. Numerical value of G is ___________

10. __________ is a natural satellite.

11. Gravitation force is _____________ of the medium between the objects.

12. The constant horizontal velocity required to put the satellite into a stable circular orbit around the Earth is called:

13. Gravitation force follows the:

14. The time required for a satellite or complete one revolution around the Earth in its orbit is called its:

15. Gravitational force is always present between two objects because of their:

16. A communication satellite completes its one revolution around the Earth in hours

17. In 1798, he completed the 1^st experiment that demonstrated Newton’s Law of universal gravitation.

18. Earth’s field force is a:

19. Your weight as measured on Earth will be _________ on the Moon.

20. Newton’s law of gravitational holds between every two objects on the _________